Wiper blade holder for a protective cover of a machine tool



FIG. 1 is a perspective view of a wiper blade holder for a protective cover of a machine tool of the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a wiper blade holder for a protective cover of a machine tool, as shown. 